4609312 has 48 divisors (see below), whose sum is σ = 9911160. Its totient is φ = 2101248.

The previous prime is 4609309. The next prime is 4609313. The reversal of 4609312 is 2139064.

It can be written as a sum of positive squares in 4 ways, for example, as 4343056 + 266256 = 2084^2 + 516^2 .

It is a super-2 number, since 2×4609312² = 42491514226688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4609313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20014 + ... + 20242.

Almost surely, 2^4609312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4609312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4955580).

4609312 is an abundant number, since it is smaller than the sum of its proper divisors (5301848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4609312 is a wasteful number, since it uses less digits than its factorization.

4609312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293 (or 285 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 4609312 is about 2146.9308326073. The cubic root of 4609312 is about 166.4224975745.

The spelling of 4609312 in words is "four million, six hundred nine thousand, three hundred twelve".